Authorizes the parks and recreation commission to: (1) Use its facilities and resources to provide scenic, natural, cultural, or historical resource interpretation throughout the state parks system;

(2) Provide scenic, natural, cultural, or historical resource interpretive activities for visitors to state parks; and

(3) In consultation with the department of archaeology and historic preservation, permit commercial advertising on or in state parks lands and buildings, when certain conditions and standards are met with regard to the commercial advertising.

Changes who the commission may consult and enter into agreements with and solicit assistance from regarding environmental interpretation.

Changes the name of the Washington state parks gift foundation to the Washington state parks foundation.